| Heading | Description |
| STN | The station
identifier (may be truncated)
A complete list of stations may be found here |
| TP | The type of
observation:
| SA Surface Airways or METAR | SP special Surface Airways
or METAR |
| BF Fixed Buoy |
CM CMAN |
| AW AWS Schoolnet |
DT WSDOT |
| EC Dept. of Ecology |
UW University of Washington Atmospheric Sciences |
| CU US Coast Guard |
CC Canada Coast Guard |
| SS Ship |
WU Weather Underground |
|
| HHMM | The UTC time the observation
was made |
| N | The cloud cover in eighths. A
7 means 7/8 of the sky has
clouds |
| CIG | The height of the cloud
ceiling in 100's of
feet.A 24 means 2400 feet above ground level. |
| VS | Visibility in miles |
| WEA | Current weather Codes are
in the table. Intensities are + heavy -
light, no suffix means moderate.
| A Hail | IC Ice crystals | S
Snow |
| BD Blowing Dust | IF Ice-fog | SG
Snowgrains |
| BN Blowing sand | IP Ice
pellets | SP Snow pellets |
| BS Blowing snow | IPW Ice
pellet shw | SW Snow showers |
| D Dust | K Smoke | T
Thunderstorm |
| F Fog | L Drizzle | T+ Severe
Thunderstorm |
| GF Ground fog | R Rain | ZL
Freezing drizzle |
| H Haze | RW - Rain Showers | ZR
Freezing rain |
|
| SLP | Sea level pressure in
millibars. If the leading number is
between 0 and 5 you place a 10 in front e.g. 256 is 1025.6 mb or from 5 to
9 you place a 9 in front e.g. 996
is 999.6 mb. | |
| T | Temperature in degrees
Fahrenheit |
| TD | Dewpoint temperature |
| DIR | Direction wind is coming from
in degrees; from the south is 180 |
| SP | Wind Speed in knots |
| GS | Wind Gust in knots |
| ALT | Altimeter setting in inches of
mercury |
| PTND | Pressure tendency and change
in last 3 hours. The pressure
change is in tenths of millibars. The pressure tendency is the first
number and is explained in the
following drop down box.
|
| PCP | Total 6 hr precipitation at
00z,06z,12zand 18z; 3hr total for
other times. Amounts in hundredths of an inch. |
| PCPD | 24 hour precipitation in
hundredths of an inch |
| SNW | Snow in inches |
| XT | Maximum or minimum temperature |
| COMMENTS | Comments |